From 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 Mon Sep 17 00:00:00 2001 From: Joe Hunkeler Date: Tue, 11 Aug 2015 16:51:37 -0400 Subject: Repatch (from linux) of OSX IRAF --- unix/f2c/libf2c/d_mod.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 unix/f2c/libf2c/d_mod.c (limited to 'unix/f2c/libf2c/d_mod.c') diff --git a/unix/f2c/libf2c/d_mod.c b/unix/f2c/libf2c/d_mod.c new file mode 100644 index 00000000..3766d9fa --- /dev/null +++ b/unix/f2c/libf2c/d_mod.c @@ -0,0 +1,46 @@ +#include "f2c.h" + +#ifdef KR_headers +#ifdef IEEE_drem +double drem(); +#else +double floor(); +#endif +double d_mod(x,y) doublereal *x, *y; +#else +#ifdef IEEE_drem +double drem(double, double); +#else +#undef abs +#include "math.h" +#ifdef __cplusplus +extern "C" { +#endif +#endif +double d_mod(doublereal *x, doublereal *y) +#endif +{ +#ifdef IEEE_drem + double xa, ya, z; + if ((ya = *y) < 0.) + ya = -ya; + z = drem(xa = *x, ya); + if (xa > 0) { + if (z < 0) + z += ya; + } + else if (z > 0) + z -= ya; + return z; +#else + double quotient; + if( (quotient = *x / *y) >= 0) + quotient = floor(quotient); + else + quotient = -floor(-quotient); + return(*x - (*y) * quotient ); +#endif +} +#ifdef __cplusplus +} +#endif -- cgit