Keyword Analysis & Research: fptan


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fptan0.220.33725135

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Search Results related to fptan on Search Engine

  • FPTAN — Partial Tangent - felixcloutier.com

    felixcloutier.com

    https://www.felixcloutier.com/x86/fptan

    WebFPTAN — Partial Tangent. Description ¶. Computes the approximate tangent of the source operand in register ST (0), stores the result in ST (0), and pushes a 1.0 onto the FPU register stack. The source operand must be given in radians and must be less than ±2 63.

    DA: 12 PA: 95 MOZ Rank: 34

  • assembly - FPTAN Example x86 - Stack Overflow

    stackoverflow.com

    https://stackoverflow.com/questions/44574993/fptan-example-x86

    WebJul 8, 2017 · According to Intel documentation, this is what FPTAN does: Replace ST(0) with its approximate tangent and push 1 onto the FPU stack. And this is a code I wrote in NASM: section .data fVal: dd 4 fSt0: dq 0.0 fSt1: dq 0.0 section .text fldpi fdiv dword[fVal] ; divide pi by 4 and store result in ST(0).

    DA: 48 PA: 6 MOZ Rank: 43

  • FPTAN | x86 Instruction Set Reference

    github.io

    https://tizee.github.io/x86_ref_book_web/instruction/fptan.html

    WebFPTAN. Partial Tangent; Operation; FPU flags affected; Floating-Point Exceptions; Protected Mode Exceptions; Real-Address Mode Exceptions; Virtual-8086 Mode Exceptions; FRNDINT; FRSTOR; FSAVE/FNSAVE; FSCALE; FSIN; FSINCOS; FSQRT; FSTCW/FNSTCW; FSTENV/FNSTENV; FSTSW/FNSTSW; FST/FSTP; …

    DA: 56 PA: 82 MOZ Rank: 54

  • NASM Floating Point Documentation - Department of Computer …

    umbc.edu

    https://redirect.cs.umbc.edu/courses/undergraduate/313/fall04/burt_katz/lectures/Lect12/floatingpoint.html

    WebB.4.94 FPATAN, FPTAN: Arctangent and Tangent FPATAN ; D9 F3 [8086,FPU] FPTAN ; D9 F2 [8086,FPU] FPATAN computes the arctangent, in radians, of the result of dividing ST1 by ST0, stores the result in ST1, and pops the register stack.

    DA: 24 PA: 12 MOZ Rank: 85

  • FPTAN - GitHub Pages

    github.io

    https://namazso.github.io/x86/html/FPTAN.html

    WebFPTAN—Partial Tangent Description Computes the approximate tangent of the source operand in register ST (0), stores the result in ST (0), and pushes a 1.0 onto the FPU register stack. The source operand must be given in radians and must be less than ±2 63.

    DA: 35 PA: 98 MOZ Rank: 50

  • Chasing Dragons: x86 Instruction Set Reference - GitHub Pages

    github.io

    https://mudongliang.github.io/x86/html/file_module_x86_id_109.html

    WebPartial Tangent. Opcode. Mnemonic. Description. D9 F2. FPTAN Replace ST(0) with its tangent and push 1 onto the FPU stack. Description. Computes the tangent of the source operand in register ST (0), stores the result in ST (0), and pushes a …

    DA: 25 PA: 94 MOZ Rank: 58

  • 8087 - x87 trigonometric instructions - Retrocomputing Stack Exchange

    stackexchange.com

    https://retrocomputing.stackexchange.com/questions/14244/x87-trigonometric-instructions

    WebMar 28, 2020 · The 8087 has instructions FPTAN and FPATAN, which are Partial Tangent and Partial Arctangent. The "partial" is presumably is to do with the range of the operands. For FPTAN the operand must be less than pi / 4 in absolute value. Why was there this restriction, so why is it not pi / 2?

    DA: 36 PA: 73 MOZ Rank: 58

  • The Difference Between x87 Instructions FSIN, FCOS, FSINCOS, and... - Intel

    intel.com

    https://www.intel.com/content/www/us/en/developer/articles/technical/the-difference-between-x87-instructions-and-mathematical-functions.html

    WebJan 11, 2016 · The Difference Between x87 Instructions FSIN, FCOS, FSINCOS, and FPTAN and Mathematical Functions sin, cos, sincos, and tan. The paper explains that FSIN(x), FCOS(x), FSINCOS(x) and FPTAN(x) are approximations of the corresponding mathematical functions of argument (x • π/p), and not of argument (x).

    DA: 49 PA: 33 MOZ Rank: 51

  • Partial Tangent (fptan) (IA-32 Assembly Language Reference Manual) - Oracle

    oracle.com

    https://docs.oracle.com/cd/E19455-01/806-3773/instructionset-173/index.html

    Webfptan. Example. Replace stack element 0 with its tangent and push a value of 1 onto the FPU stack. fptan. Previous: Comparison Instructions. Next: Partial Arctangent (fpatan) © …

    DA: 69 PA: 48 MOZ Rank: 14

  • Computing tangent with x87 instructions FPTAN and FDIVR

    stackoverflow.com

    https://stackoverflow.com/questions/28804692/computing-tangent-with-x87-instructions-fptan-and-fdivr

    WebMar 2, 2015 · I want to compute tan(pi) with X87 FPTAN and FDIVR: double answer,angle=3.14; __asm__ ("FPTAN;" "FDIVR;" : "=t" (answer) : "0" (angle)); printf …

    DA: 24 PA: 100 MOZ Rank: 16